/* Full-image lightbox (UI round 8): a native modal <dialog> opened from a tall
   gallery plate's "View full image" link (assets/js/gallery-lightbox.js). It
   uses the site's scheme tokens and the contact dialog's control geometry;
   the image scrolls inside the dialog at its own width. */
.media-lightbox {
  width: min(calc(100vw - 32px), 75rem);
  max-width: none;
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--text);
  background: var(--bg-elevated);
  overflow: hidden;
}
.media-lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.media-lightbox::backdrop { background: color-mix(in srgb, var(--bg) 82%, transparent); }
.media-lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px 10px 18px;
  border-bottom: 1px solid var(--line);
}
.media-lightbox__title {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: .82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.media-lightbox__close {
  flex: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: transparent;
}
.media-lightbox__scroll { min-height: 0; overflow: auto; overscroll-behavior: contain; }
.media-lightbox__image { display: block; max-width: 100%; height: auto; margin: 0 auto; }

/* UI round 13 (operator-directed): the lightbox is the Work viewer's full view.
   It gains previous / next and a counter in its bar, fits an ordinary screen
   inside the window (a full-page capture still scrolls), changes image with
   the site's fog blur, and opens by growing from the stage's position. All of
   it resolves at once under the reduced-motion contract. */
.media-lightbox__nav { display: flex; flex: none; align-items: center; gap: 6px; }
.media-lightbox__nav[hidden] { display: none; }
.media-lightbox__step {
  min-width: 44px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
}
.media-lightbox__step:hover,
.media-lightbox__close:hover { border-color: var(--control-line-strong); }
.media-lightbox__count {
  min-width: 3.75rem;
  color: var(--muted);
  font: 500 .6875rem/1 var(--font-meta, "JetBrains Mono", ui-monospace, monospace);
  font-variant-numeric: tabular-nums;
  letter-spacing: .14em;
  text-align: center;
}
.media-lightbox__close { cursor: pointer; }
.media-lightbox__title { flex: 1; }
.media-lightbox[data-fit="contain"] .media-lightbox__scroll { display: grid; place-items: center; overflow: hidden; }
.media-lightbox[data-fit="contain"] .media-lightbox__image { width: auto; max-height: calc(100vh - 32px - 66px); object-fit: contain; }
.media-lightbox__image[data-swap="in"] { animation: lightboxSwap .36s cubic-bezier(.33, 0, .18, 1) both; }
.media-lightbox[data-zoom="in"] { animation: lightboxZoom .34s cubic-bezier(.16, 1, .3, 1) both; }
.media-lightbox[data-zoom="in"]::backdrop { animation: lightboxVeil .34s ease-out both; }
@keyframes lightboxSwap {
  from { opacity: 0; filter: blur(10px); }
  to   { opacity: 1; filter: none; }
}
@keyframes lightboxZoom {
  from { opacity: .35; transform: translate(var(--zoom-x, 0), var(--zoom-y, 0)) scale(var(--zoom-scale, .8)); }
  to   { opacity: 1; transform: none; }
}
@keyframes lightboxVeil { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .media-lightbox[data-zoom="in"],
  .media-lightbox[data-zoom="in"]::backdrop,
  .media-lightbox__image[data-swap="in"] { animation: none; }
}
html[data-motion-preference="reduce"] .media-lightbox[data-zoom="in"],
html[data-motion-preference="reduce"] .media-lightbox[data-zoom="in"]::backdrop,
html[data-motion-preference="reduce"] .media-lightbox__image[data-swap="in"] { animation: none; }
@media (max-width: 767px) {
  .media-lightbox__bar { flex-wrap: wrap; gap: 8px; padding: 8px 10px 8px 14px; }
  .media-lightbox__title { flex: 1 1 100%; }
  .media-lightbox__nav { margin-right: auto; }
  .media-lightbox[data-fit="contain"] .media-lightbox__image { max-height: calc(100vh - 32px - 120px); }
}